Examples with ADelegateRangeTable de.invesdwin.context.persistence.ezdb.table.range.ADelegateRangeTable used on opensource projects

Example 1 with ADelegateRangeTable

use of de.invesdwin.context.persistence.ezdb.table.range.ADelegateRangeTable in project invesdwin-context-persistence by subes.

the class RangeTableDBPerformanceTest method testLevelDbPerformance.

@Test
public void testLevelDbPerformance() throws InterruptedException {
    final ADelegateRangeTable<String, FDate, FDate> table = new ADelegateRangeTable<String, FDate, FDate>("testLevelDbPerformance") {

        @Override
        protected File getBaseDirectory() {
            return ContextProperties.TEMP_DIRECTORY;
        }

        @Override
        protected ISerde<FDate> newValueSerde() {
            return FDateSerde.GET;
        }

        @Override
        protected ISerde<FDate> newRangeKeySerde() {
            return FDateSerde.GET;
        }
    };
    final LoopInterruptedCheck loopCheck = new LoopInterruptedCheck(Duration.ONE_SECOND);
    RangeBatch<String, FDate, FDate> batch = table.newRangeBatch();
    final Instant writesStart = new Instant();
    int i = 0;
    for (final FDate date : newValues()) {
        batch.put(HASH_KEY, date, date);
        i++;
        if (i % FLUSH_INTERVAL == 0) {
            try {
                if (loopCheck.check()) {
                    printProgress("Writes", writesStart, i, VALUES);
                }
            } catch (final InterruptedException e) {
                throw new RuntimeException(e);
            }
            try {
                batch.flush();
                batch.close();
            } catch (final IOException e) {
                throw new RuntimeException(e);
            }
            batch = table.newRangeBatch();
        }
    }
    try {
        batch.flush();
        batch.close();
    } catch (final IOException e) {
        throw new RuntimeException(e);
    }
    printProgress("WritesFinished", writesStart, VALUES, VALUES);
    readIterator(table);
    readGet(table);
    readGetLatest(table);
}

Example 2 with ADelegateRangeTable

use of de.invesdwin.context.persistence.ezdb.table.range.ADelegateRangeTable in project invesdwin-context-persistence by subes.

the class LevelDBTest method testInverseOrder.

@Test
public void testInverseOrder() {
    final ADelegateRangeTable<String, FDate, Integer> rangeTable = new ADelegateRangeTable<String, FDate, Integer>("testInverseOrder") {

        @Override
        protected ISerde<FDate> newRangeKeySerde() {
            return FDateSerde.GET;
        }

        @Override
        protected boolean allowHasNext() {
            return true;
        }

        @Override
        protected File getBaseDirectory() {
            return ContextProperties.TEMP_DIRECTORY;
        }
    };
    final FDate now = FDateBuilder.newDate(2000);
    final FDate oneDate = now.addDays(1);
    final FDate twoDate = now.addDays(2);
    final FDate threeDate = now.addDays(3);
    rangeTable.put(HASHKEY, oneDate, 1);
    rangeTable.put(HASHKEY, twoDate, 2);
    rangeTable.put(HASHKEY, threeDate, 3);
    final DelegateRangeTableIterator<String, FDate, Integer> range3 = rangeTable.range(HASHKEY, now);
    Assertions.assertThat(range3.next().getValue()).isEqualTo(1);
    Assertions.assertThat(range3.next().getValue()).isEqualTo(2);
    Assertions.assertThat(range3.next().getValue()).isEqualTo(3);
    Assertions.assertThat(range3.hasNext()).isFalse();
    try {
        range3.next();
        Fail.fail("Exception expected!");
    } catch (final NoSuchElementException e) {
        Assertions.assertThat(e).isNotNull();
    }
    // should already be closed but should not cause an error when calling again
    range3.close();
    final DelegateRangeTableIterator<String, FDate, Integer> rangeNone = rangeTable.range(HASHKEY);
    Assertions.assertThat(rangeNone.next().getValue()).isEqualTo(1);
    Assertions.assertThat(rangeNone.next().getValue()).isEqualTo(2);
    Assertions.assertThat(rangeNone.next().getValue()).isEqualTo(3);
    Assertions.assertThat(rangeNone.hasNext()).isFalse();
    try {
        rangeNone.next();
        Fail.fail("Exception expected!");
    } catch (final NoSuchElementException e) {
        Assertions.assertThat(e).isNotNull();
    }
    final DelegateRangeTableIterator<String, FDate, Integer> rangeMin = rangeTable.range(HASHKEY, FDate.MIN_DATE);
    Assertions.assertThat(rangeMin.next().getValue()).isEqualTo(1);
    Assertions.assertThat(rangeMin.next().getValue()).isEqualTo(2);
    Assertions.assertThat(rangeMin.next().getValue()).isEqualTo(3);
    Assertions.assertThat(rangeMin.hasNext()).isFalse();
    try {
        rangeMin.next();
        Fail.fail("Exception expected!");
    } catch (final NoSuchElementException e) {
        Assertions.assertThat(e).isNotNull();
    }
    final DelegateRangeTableIterator<String, FDate, Integer> rangeMax = rangeTable.range(HASHKEY, FDate.MAX_DATE);
    Assertions.assertThat(rangeMax.hasNext()).isFalse();
    try {
        rangeMax.next();
        Fail.fail("Exception expected!");
    } catch (final NoSuchElementException e) {
        Assertions.assertThat(e).isNotNull();
    }
    final DelegateRangeTableIterator<String, FDate, Integer> range2 = rangeTable.range(HASHKEY, twoDate);
    Assertions.assertThat(range2.next().getValue()).isEqualTo(2);
    Assertions.assertThat(range2.next().getValue()).isEqualTo(3);
    Assertions.assertThat(range2.hasNext()).isFalse();
    try {
        range2.next();
        Fail.fail("Exception expected!");
    } catch (final NoSuchElementException e) {
        Assertions.assertThat(e).isNotNull();
    }
    testReverse(rangeTable, oneDate, twoDate, threeDate);
    testGetLatestForRange(rangeTable, oneDate, twoDate, threeDate);
    rangeTable.deleteTable();
}